Home / 17,620,281.90-26,430,422.85-12,837,312.90

Finding the Fourth Proportional to 17,620,281.90, 26,430,422.85 and 12,837,312.90

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Solution

The fourth proportional to 17,620,281.90, 26,430,422.85 and 12,837,312.90 is: 19,255,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620,281.90 : 26,430,422.85 = 12,837,312.90 : x
  2. Step 2: Convert to fraction form
    17,620,281.90/26,430,422.85 = 12,837,312.90/x
  3. Step 3: Cross multiply
    17,620,281.90x = 26,430,422.85 × 12,837,312.90
  4. Step 4: Simplify right side
    17,620,281.90x = 339,295,608,204,759.81
  5. Step 5: Solve for x
    x = 339,295,608,204,759.81/17,620,281.90
  6. Step 6: Final answer
    x = 19,255,969.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.